package com.ma.gulimall.order.config;

import org.springframework.amqp.core.Binding;
import org.springframework.amqp.core.Exchange;
import org.springframework.amqp.core.Queue;
import org.springframework.amqp.core.TopicExchange;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;

import java.util.HashMap;
import java.util.Map;

/**
 * @ClassName MyMQConfig
 * @Author: mayongqiang
 * @DATE 2021/11/9 22:53
 * @Description: mq配置
 */

@Configuration
public class MyMQConfig {

    //@RabbitListener(queues = "order.release.order.queue")
    //public void listener(OrderEntity orderEntity, Channel channel, Message message) throws IOException {
    //    System.out.println("收到过期的订单信息：准备关闭订单"+orderEntity.getOrderSn());
    //    channel.basicAck(message.getMessageProperties().getDeliveryTag(),false);
    //}

    /**
     * 容器中的 Binding,Queue,Exchange 都会自动创建（RabbitMQ中没有的）
     * 一旦创建好队列，属性发生变化也不会覆盖
     */


    @Bean
    public Queue orderDelayQueue() {

        /*
          x-dead-letter-exchange: order-event-exchange
          x-dead-letter-routing-key: order.release.order
          x-message-ttl: 60000
         */
        Map<String, Object> arguments = new HashMap<>();
        arguments.put("x-dead-letter-exchange", "order-event-exchange");
        arguments.put("x-dead-letter-routing-key", "order.release.order");
        arguments.put("x-message-ttl", 60000);

        /*
            Queue(String name,  队列名字
            boolean durable,  是否持久化
            boolean exclusive,  是否排他
            boolean autoDelete, 是否自动删除
            Map<String, Object> arguments) 属性【TTL、死信路由、死信路由键】
         */
        return new Queue("order.delay.queue", true,
                false, false, arguments);
    }

    @Bean
    public Queue orderReleaseOrderQueue() {
        return new Queue("order.release.order.queue", true,
                false, false);
    }

    @Bean
    public Exchange orderEventExchange() {
        return new TopicExchange("order-event-exchange", true, false);
    }

    @Bean
    public Binding orderCreateOrderBinding() {
        return new Binding("order.delay.queue",
                Binding.DestinationType.QUEUE,
                "order-event-exchange",
                "order.create.order", null);
    }

    @Bean
    public Binding orderReleaseOrderBinding() {
        return new Binding("order.release.order.queue",
                Binding.DestinationType.QUEUE,
                "order-event-exchange",
                "order.release.order", null);
    }

    /**
     * 订单释放直接和库存释放进行绑定
     */
    @Bean
    public Binding orderReleaseOtherBinding() {

        return new Binding("stock.release.stock.queue",
                Binding.DestinationType.QUEUE,
                "order-event-exchange",
                "order.release.other.#",
                null);
    }

    /**
     * 监听秒杀队列
     */
    @Bean
    public Queue orderSeckillOrderQueue() {
        return new Queue("order.seckill.order.queue",
                true,
                false,
                false);
    }

    /**
     * 秒杀队列与订单交换机绑定
     */
    @Bean
    public Binding orderSeckillOrderQueueBinding() {
        return new Binding("order.seckill.order.queue",
                Binding.DestinationType.QUEUE,
                "order-event-exchange",
                "order.seckill.order",
                null);
    }

}
